单选题：You must try to wipe out the memory of these horrible events

题目内容：

You must try to wipe out the memory of these horrible events． A．strange
B．terrible
C．unusual
D．unfair

参考答案：

答案解析：

In the US．graduated students with no jobs can buy university

In the US．graduated students with no jobs can buy university health insurance．A．

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根据下列文章,请回答题。Sleep Necessary for MemoriesBurning the midnight oil before an exam

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